Remove CRUD method logic from PostgreSQL (first step of removal) (#423)

* Remove CRUD method logic from PostgreSQL (first step of removal)

* remove comment

* removed unused vars and parameters

* move verb tense to the past

* also datasource

* apply change to credential

* improve error message, remove acc testing

* update docs

Author: DiogoFerrao

docs/data-sources/postgresql_credential.md

@@ -4,14 +4,14 @@ page_title: "stackit_postgresql_credential Data Source - stackit"
 subcategory: ""
 description: |-
   PostgreSQL credential data source schema. Must have a region specified in the provider configuration.
-  !> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Data sources of this type will stop working after that. Use stackitpostgresflexuser instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
+  !> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackitpostgresflexuser instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
 ---
 
 # stackit_postgresql_credential (Data Source)
 
 PostgreSQL credential data source schema. Must have a `region` specified in the provider configuration.
 
-!> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Data sources of this type will stop working after that. Use stackit_postgresflex_user instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
+!> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackit_postgresflex_user instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
 
 ## Example Usage
 

docs/data-sources/postgresql_instance.md

@@ -4,14 +4,14 @@ page_title: "stackit_postgresql_instance Data Source - stackit"
 subcategory: ""
 description: |-
   PostgreSQL instance data source schema. Must have a region specified in the provider configuration.
-  !> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Data sources of this type will stop working after that. Use stackitpostgresflexinstance instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
+  !> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackitpostgresflexinstance instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
 ---
 
 # stackit_postgresql_instance (Data Source)
 
 PostgreSQL instance data source schema. Must have a `region` specified in the provider configuration.
 
-!> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Data sources of this type will stop working after that. Use stackit_postgresflex_instance instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
+!> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackit_postgresflex_instance instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
 
 ## Example Usage
 

docs/resources/postgresql_credential.md

@@ -4,14 +4,14 @@ page_title: "stackit_postgresql_credential Resource - stackit"
 subcategory: ""
 description: |-
   PostgreSQL credential resource schema. Must have a region specified in the provider configuration.
-  !> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Resources of this type will stop working after that. Use stackitpostgresflexuser instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
+  !> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackitpostgresflexuser instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
 ---
 
 # stackit_postgresql_credential (Resource)
 
 PostgreSQL credential resource schema. Must have a `region` specified in the provider configuration.
 
-!> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Resources of this type will stop working after that. Use stackit_postgresflex_user instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
+!> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackit_postgresflex_user instead. For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html
 
 ## Example Usage
 

docs/resources/postgresql_instance.md

@@ -4,14 +4,14 @@ page_title: "stackit_postgresql_instance Resource - stackit"
 subcategory: ""
 description: |-
   PostgreSQL instance resource schema. Must have a region specified in the provider configuration.
-  !> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Resources of this type will stop working after that. Use stackitpostgresflexinstance instead. Check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html on how to backup and restore an instance from PostgreSQL to PostgreSQL Flex, then import the resource to Terraform using an "import" block (https://developer.hashicorp.com/terraform/language/import)
+  !> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackitpostgresflexinstance instead. Check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html on how to backup and restore an instance from PostgreSQL to PostgreSQL Flex, then import the resource to Terraform using an "import" block (https://developer.hashicorp.com/terraform/language/import)
 ---
 
 # stackit_postgresql_instance (Resource)
 
 PostgreSQL instance resource schema. Must have a `region` specified in the provider configuration.
 
-!> The STACKIT PostgreSQL service will reach its end of support on June 30th 2024. Resources of this type will stop working after that. Use stackit_postgresflex_instance instead. Check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html on how to backup and restore an instance from PostgreSQL to PostgreSQL Flex, then import the resource to Terraform using an "import" block (https://developer.hashicorp.com/terraform/language/import)
+!> The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackit_postgresflex_instance instead. Check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html on how to backup and restore an instance from PostgreSQL to PostgreSQL Flex, then import the resource to Terraform using an "import" block (https://developer.hashicorp.com/terraform/language/import)
 
 ## Example Usage
 

stackit/internal/services/postgresql/credential/datasource.go

@@ -3,7 +3,6 @@ package postgresql
 import (
 	"context"
 	"fmt"
-	"net/http"
 	"strings"
 
 	"github.com/hashicorp/terraform-plugin-framework/datasource"
@@ -15,7 +14,6 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/stackitcloud/stackit-sdk-go/core/config"
-	"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
 	"github.com/stackitcloud/stackit-sdk-go/services/postgresql"
 )
 
@@ -81,8 +79,8 @@ func (r *credentialDataSource) Schema(_ context.Context, _ datasource.SchemaRequ
 		"main": "PostgreSQL credential data source schema. Must have a `region` specified in the provider configuration.",
 		"deprecation_message": strings.Join(
 			[]string{
-				"The STACKIT PostgreSQL service will reach its end of support on June 30th 2024.",
-				"Data sources of this type will stop working after that.",
+				"The STACKIT PostgreSQL service has reached its end of support on June 30th 2024.",
+				"Resources of this type have stopped working since then.",
 				"Use stackit_postgresflex_user instead.",
 				"For more details, check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html",
 			},
@@ -160,42 +158,6 @@ func (r *credentialDataSource) Schema(_ context.Context, _ datasource.SchemaRequ
 }
 
 // Read refreshes the Terraform state with the latest data.
-func (r *credentialDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) { // nolint:gocritic // function signature required by Terraform
-	var model Model
-	diags := req.Config.Get(ctx, &model)
-	resp.Diagnostics.Append(diags...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-	projectId := model.ProjectId.ValueString()
-	instanceId := model.InstanceId.ValueString()
-	credentialId := model.CredentialId.ValueString()
-	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "instance_id", instanceId)
-	ctx = tflog.SetField(ctx, "credential_id", credentialId)
-
-	recordSetResp, err := r.client.GetCredentials(ctx, projectId, instanceId, credentialId).Execute()
-	if err != nil {
-		oapiErr, ok := err.(*oapierror.GenericOpenAPIError) //nolint:errorlint //complaining that error.As should be used to catch wrapped errors, but this error should not be wrapped
-		if ok && oapiErr.StatusCode == http.StatusNotFound {
-			resp.State.RemoveResource(ctx)
-		}
-		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading credential", fmt.Sprintf("Calling API: %v", err))
-		return
-	}
-
-	// Map response body to schema
-	err = mapFields(recordSetResp, &model)
-	if err != nil {
-		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading credential", fmt.Sprintf("Processing API payload: %v", err))
-		return
-	}
-
-	// Set refreshed state
-	diags = resp.State.Set(ctx, model)
-	resp.Diagnostics.Append(diags...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-	tflog.Info(ctx, "PostgreSQL credential read")
+func (r *credentialDataSource) Read(ctx context.Context, _ datasource.ReadRequest, resp *datasource.ReadResponse) { // nolint:gocritic // function signature required by Terraform
+	core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading credential data", "The STACKIT PostgreSQL service has reached its end of support on June 30th 2024. Resources of this type have stopped working since then. Use stackit_postgresflex_instance instead. Check https://docs.stackit.cloud/stackit/en/bring-your-data-to-stackit-postgresql-flex-138347648.html on how to backup and restore an instance from PostgreSQL to PostgreSQL Flex, then import the resource to Terraform using an \"import\" block (https://developer.hashicorp.com/terraform/language/import)")
 }